1403053 has 4 divisors (see below), whose sum is σ = 1406268. Its totient is φ = 1399840.

The previous prime is 1403021. The next prime is 1403057. The reversal of 1403053 is 3503041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3503041 = 127 ⋅27583.

It can be written as a sum of positive squares in 2 ways, for example, as 487204 + 915849 = 698^2 + 957^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403053 - 2⁵ = 1403021 is a prime.

It is a Duffinian number.

1403053 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826 + ... + 1867.

It is an arithmetic number, because the mean of its divisors is an integer number (351567).

2^1403053 is an apocalyptic number.

It is an amenable number.

1403053 is a deficient number, since it is larger than the sum of its proper divisors (3215).

1403053 is an equidigital number, since it uses as much as digits as its factorization.

1403053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1403053 is about 1184.5053820055. The cubic root of 1403053 is about 111.9501532011.

Adding to 1403053 its reverse (3503041), we get a palindrome (4906094).

It can be divided in two parts, 14030 and 53, that multiplied together give a triangular number (743590 = T₁₂₁₉).

The spelling of 1403053 in words is "one million, four hundred three thousand, fifty-three".